The FirefieldA(R) Tactical 4-16x42AO Riflescope is the ideal scope for the multi-purpose shooter. This scope offers the choice of a red or green illuminated Mil-Dot reticle and 1/4-inch click MOA adjustment, making it ideal for tactical shooting and rangefinding. Shooters can also use the Mil-Dot reticle as a hold over for bullet drop compensation or windage correction. Battery life for the adjustable illumination is between 80-150 hours. The objective lens has parallax adjustment, adjustable from 15 yards to infinity giving the shooter the ability to accurately engage targets from any range. This presents a great advantage for competition shooters and high-powered Air guns. This riflescope is water resistant and fog proof with operating temperatures between -20 degrees and 60 degrees Celsius, making it a versatile tool for any environment. It easy-grip, open windage and elevation turrets on the top and side of the scope allow the shooter to quickly fine-tune the reticle for greater accuracy. Weighing only 26 ounces, this lightweight but sturdy riflescope can handle up to 1200g(TM)s of recoil. Included in Package Mounting rings lens caps lens cloth Battery Type Type: CR2032 Quantity: 1 Features Internal lit red/green reticle Adjustable objective lens Second focal plane system Locking turrets Waterproof / fog proof Features Internal lit red/green reticle Adjustable objective lens Second focal plane system Locking turrets Waterproof / fog proof